Angles of a Triangle
This activity explores the various relationships of the angles of a triangle. It starts with an interior angle and its corresponding exterior angle. Then the sum of the interior angles. Finally, the relationship between one exterior angle and its remote interior angles. The students are prov...https://education.ti.com/en/activity/detail/angles-of-a-triangle_2
Circle Geometry: Angles Formed by Intersecting Chords
This activity is intended to teach students about the rule associated with the angles formed by two chords intersecting within the circle and the intercepted arcs.https://education.ti.com/en/activity/detail/circle-geometry-angles-formed-by-intersecting-chords
Balancing Point
In this activity, students will explore the median and the centroid of a triangle. Students will discover that the medians of a triangle are concurrent. The point of concurrency is the centroid. Students should discover that the center of mass and the centroid are the same for a triangle.https://education.ti.com/en/activity/detail/balancing-point
Limits of Functions
Investigate limits of functions at a point numerically.https://education.ti.com/en/activity/detail/limits-of-functions
Filling the Urn
Work with linked representations of the related rates of change of volume and height of fluid.https://education.ti.com/en/activity/detail/filling-the-urn
First Derivative Test
Visualize the connections between the first derivative of a function, critical points, and local extrema.https://education.ti.com/en/activity/detail/first-derivative-test
Angle-Side Relationships
Investigate some necessary conditions for creating a triangle.https://education.ti.com/en/activity/detail/angleside-relationships
Corresponding Parts of Congruent Triangles
Explore corresponding parts of congruent triangles.https://education.ti.com/en/activity/detail/corresponding-parts-of-congruent-triangles
Congruent Triangles
This activity is intended to provide students with an opportunity to discover three methods of proving triangles congruent: SSS, SAS, and ASA.https://education.ti.com/en/activity/detail/congruent-triangles_2
Exponential Functions and the Natural Logarithm
Discover a surprising property involving the relative growth rate of an exponential function.https://education.ti.com/en/activity/detail/exponential-functions-and-the-natural-logarithm
Circles - Angles and Arcs
In this activity, students will investigate inscribed angles, central angles and intercepted arcs relationships in circles.https://education.ti.com/en/activity/detail/circles--angles-and-arcs
Angles in Polygons
In this activity, students measure interior angles in convex polygons and find the sum of the angle measures. They make and test a conjecture about the sum of the angle measures in an n-sided polygon. Finally, they measure exterior angles in convex polygons, find their sum, and write a proof for ...https://education.ti.com/en/activity/detail/angles-in-polygons_1
Arc Length and Sectors
Investigate the mathematics of arc length and sectors.https://education.ti.com/en/activity/detail/arc-length-and-sectors
Congruent or Not?
In this activity, students will investigate whether AAA, SAS, ASA, or SSA relationship guarantee that two triangles are congruent or not. This is an exploratory activity where students will need to know how to change between pages, grab and move points, and measure lengths.https://education.ti.com/en/activity/detail/congruent-or-not_1
Area Formulas
Explore the relationships among the area formulas for parallelogram and rectangles.https://education.ti.com/en/activity/detail/area-formulas
Midpoints in the Coordinate Plane
Beginning with horizontal or vertical segments, students will show the coordinates of the endpoints and make a conjecture about the coordinates of the midpoint.https://education.ti.com/en/activity/detail/midpoints-in-the-coordinate-plane
Area Formulas
Explore the relationships among the area formulas for parallelogram and rectangles.https://education.ti.com/en/activity/detail/area-formulas_1
Lines with Transversals and Angle Pairs
Students will use the TI-Nspire file and record their answers on the Word worksheet. The TI-Nspire file has been created to allow students to explore and measure the relationships of angle pairs with and without parallel lines.https://education.ti.com/en/activity/detail/lines-with-transversals-and-angle-pairs
Addition of Parts
This activity is a self-contained discussion of the topic of segment and angle addition and allows the teacher to focus on the flow of the class rather than explanation. Students will be able to work through this activity easily and reach usable conclusions on their own. Also, examples are prov...https://education.ti.com/en/activity/detail/addition-of-parts
Alternate Interior Angles
Explore the relationships of the angles formed when two parallel lines are cut by a transversal.https://education.ti.com/en/activity/detail/alternate-interior-angles
Altitudes of Triangles
Students investigate the intersection of the altitudes of a triangle.https://education.ti.com/en/activity/detail/altitudes-of-triangles
Mystery Quadrilateral!
This activity could be used as an assessment after a unit on special quadrilaterals. Students are given an unknown mystery quadrilateral that looks like a square. By dragging the vertices of the mystery quadrilateral, students conjecture the true name of the quadrilateral. Students support their ...https://education.ti.com/en/activity/detail/mystery-quadrilateral
Euler's Method
Dynamic graphical representation of Euler's method that can be plotted one step at a time.https://education.ti.com/en/activity/detail/eulers-method
Angle Relationships
In this activity, students explore the angle relationships that exist when two lines intersect. They begin by exploring vertical angles and linear pairs, and then expand their study to two lines and a transversal. They will see what relationships hold true when the two lines intersected by a tran...https://education.ti.com/en/activity/detail/angle-relationships
Nested Similar Triangles
Discover the conditions that make triangles similar by moving the sides opposite the common angle in nested triangles.https://education.ti.com/en/activity/detail/nested-similar-triangles